How much does a 2.00 to 2.99ct I I1 natural marquise diamond cost?

As of September 2026, 2.00 to 2.99ct I I1 natural marquise diamonds typically cost $10,721 CAD to $59,191 CAD, with a median price of $17,915 CAD. There are currently 45 diamonds matching this specification available across retailers.

Where can I find the best price on a I I1 marquise diamond?

About 39% of these diamonds are available at multiple retailers, with an average price spread of 71%. A comparison tool like Carat Hunter lets you see all the prices side by side.

2.00 to 2.99ct I I1 Natural Marquise

Quick answer

As of September 2026, there are 45 natural marquise diamonds with I color and I1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run $10,721 CAD to $59,191 CAD, with a median of $17,915 CAD. At least 19 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 71%. Half of all listings fall between $4,809 CAD and $10,366 CAD per carat. The same specification in lab grown form lists at a median of about $2,522 CAD per carat. Over the last 30 days the median price moved -33.5% and the number of listings moved -49.8%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Marquise natural stones in the index: 2,114 USD per carat, -8.8% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

$4,541 CAD

Highest Price

$85,653 CAD

Average Price

$23,753 CAD

Market Intelligence

Retailers Selling

Cross Retailer %

39.4%

Price Spread

71.2%

30-Day Price Trend

-33.5%

30-Day Supply Change

-49.8%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$5,608/ct

10th Percentile

$2,283

Median

$5,608

90th Percentile

$9,638

Score Distribution

45 diamonds scored across 3 quality tiers

Very Good

20 (44.4%)

Good

8 (17.8%)

Average

17 (37.8%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J I1J colour is visually identical to I to the naked eye

Save 31%

Lab-Grown I I1Same specifications, lab-grown origin

Save 68%

Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1